Planetary medal of the imperial academy of science, france, to commemorate the discovery of the 100 minor planet between mars and jupiter. On one side profiles of three prolific asteroid finders: astronomers john russell hind, hermann goldschmidt and robert luther. On the back urania, the astronomical muse. Illustration from the magazine the illustrated london news, volume lv, october 9, 1869 (shown on page 372, story on page 368). Date: 9 October 1869.
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